<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<style>
  div{
    width: 100px;
    height: 100px;
    border: 1px solid red;
  }
  div:hover {
    position: relative;
    top: 20px;
    left: 20px;

  }
</style>
<body>
<div>div1</div>
<div>div2</div>
<div>div3</div>

</body>
</html>